package com.example.study.design.factory;

import com.example.study.service.KeyService;

/**
 * 数字钥匙抽象工厂
 *
 * @author duckquan
 */
public interface KeyMethodFactory {

    /**
     * 获取具体工厂实例
     *
     * @return
     */
    KeyService getInstance();

}
